Revised, visually centered and path optimized all icons. (#112)

* Visually centered a few icons, some new paths and optimizations.

Apple - Visually centered and change the path to more a accurate one.
Bytes: 1011 —> 580.

Dropbox - Visually centered and change the path to fix point alignment.
Bytes: 338 —> 350.

Twitter - Visually centered.
Bytes: 425 —> 431.

Ubuntu - Visually centered and change the path and color to a more
accurate one.
Bytes: 755 —> 674.

Vimeo - Visually centered.
Bytes: 375 —> 379.

WhatsApp - Visually centered and change the path and color to more a
accurate one.
Bytes: 646 —> 611.

Windows - Visually centered and change the path to fix the lines
between shapes.
Bytes: 274 —> 284.

Hope this helps.

FYI: Wikicommons have good SVG shapes and most companies have brand
guidelines with accurate logo renditions and colors.

* Removed newlines, fixed Ubuntu color and updated ReadMe and Twitter PNG.

* Twitter PNG Artifacts Fix.

* Optimizations and new color palettes.

Apple - New color palette that better represents the brand, and tiny
bit smaller.

Ubuntu - I keep finding ways to make this one smaller.

Wikipedia - New color palette that better represents the brand, and bit
smaller.

* Update

* Update drama

* Solving conflicts

* Solved conflicts.

* Optimizations and new color palettes

Apple - New color palette that better represents the brand, and tiny
bit smaller.

Ubuntu - I keep finding ways to make this one smaller.

Wikipedia - New color palette that better represents the brand, and bit
smaller.

* More Ubuntu optimizations.

Learning SVG as we go.

* Revert "More Ubuntu optimizations."

This reverts commit 74c1a45959.

* More Ubuntu Optimizations.

* Guidelines Folder.

* Guidelines.

Added guidelines with instructions.

* Revert "Guidelines."

This reverts commit eb30dfe163.

* Revert "Revert "Guidelines.""

This reverts commit 76edce25ec.

* Removed guidelines for small squares.

* Aligned to guideline and path optimized Airbnb, Amazon, Authy, Badoo and Bitcoin.

All were aligned accordingly and optimized to the following percentages:

Airbnb - 43%
Amazon - 0%
Authy - 38%
Badoo - 23%
Bitcoin + 1%

I’ll update Readme.

* Fixed Amazon radius. Whops.

* Updated from Master Branch.

* Aligned to guideline and path optimized Android,

All were aligned accordingly and optimized to the following percentages:

Android - 31%
Bitbucket + 3%

Updated README with the new file sizes.

* Correct radius on Android

* Aligned to guideline, path optimized and some fixes to Blogger, Bluetooth, CloudFlare, CodePen, Delicious, Digidentity and Digital Ocean.

All were aligned accordingly and optimized to the following percentages:

Blogger - 23% and corrected color.
Bluetooth - 1% and corrected color.
CloudFlare - 12%
CodePen - 42% and corrected color contrast.
Delicious + 35% because I added a clipping path, for consistency.
Review it.
Digidentity - 0%
Digital Ocean + 20% No idea how to make it the same file size after
following the guideline.

Updated README with the new file sizes.

* Aligned to guideline, path optimized and some fixes to Discord, Disqus, Docker, Dropbox

All were aligned accordingly and optimized to the following percentages:

Discord - 27% and corrected shape and color.
Disqus - 6%
Docker - 12% and corrected color.
Dropbox - 11% and corrected color.
Ebay - 1%

Updated README with the new file sizes.

* Aligned to guideline, path optimized and some fixes to Apple, IBM, Samsung Internet, Email and Evernote.

All were aligned accordingly and optimized to the following percentages:

Apple - 17% and corrected color.
IBM - 39% magic was done to achieve this.
Samsung Internet - 63%
Email - 8% I’m proposing a new icon that represents generic email
branding trends.
Evernote - 12% and corrected colors and fixed contrast.

Updated README with the new file sizes.

* Fix v2 of AirBnb in Chrome.

* Added aria-label to samsunginternet.svg

* Fixed typo.

* All were resized and aligned accordingly.

Facebook, Github and Gitlab were redrawn to better follow icon brand guidelines.

Badoo and bitbucket were just missing role="img".

Updated README with the new file sizes.

* All icons now follow the guideline and have been path optimized.

Few have been tweaked to better follow brand guidelines, some have been
redone from scratch.

* Updated README sizes.

* Ignore alternative Instagram.

* Revert "Ignore alternative Instagram."

This reverts commit 475177f61f.

* Fixed Telegram's size and README.

images/svg/mail.svg

@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" aria-label="Mail" role="img" viewBox="0 0 512 512"><rect width="512" height="512" fill="#168de2" rx="15%"/><path fill="#fff" d="M250 183c-48 0-72 36-72 77 0 46 30 75 71 75 45 0 76-33 76-78 0-46-35-74-75-74zm-1-39c31 0 59 13 80 34 0-23 37-23 37 1v158c-1 10 11 16 17 9 26-26 56-134-15-196-67-59-156-49-204-16-50 35-83 112-51 184 34 79 132 103 190 79 30-12 43 28 13 41-47 20-176 18-236-86-40-71-38-194 70-259 82-49 191-35 256 33 69 72 65 206-2 258-30 24-75 1-75-34v-11c-21 21-49 33-80 33-60 0-113-53-113-113 0-61 53-115 113-115"/></svg>
+<svg viewBox="0 0 512 512" xmlns="http://www.w3.org/2000/svg" aria-label="Mail" role="img"><rect fill="#328cff" height="512" rx="15%" width="512"/><path d="m250 186c-46 0-69 35-69 74 0 44 29 72 68 72 43 0 73-32 73-75 0-44-34-71-72-71zm-1-37c30 0 57 13 77 33 0-22 35-22 35 1v150c-1 10 10 16 16 9 25-25 54-128-14-187-64-56-149-47-195-15-48 33-79 107-49 175 33 76 126 99 182 76 28-12 41 26 12 39-45 19-168 17-225-82-38-68-36-185 67-248 78-46 182-33 244 32 66 69 62 197-2 246-28 23-71 1-71-32v-11c-20 20-47 32-77 32-57 0-108-51-108-108 0-58 51-110 108-110" fill="#fff"/></svg>